Do not explicitly qualify the arguments (Object and EventArgs) to event handlers. If you are not using the event arguments that are passed to an event (for example, sender as Object, e as EventArgs), use relaxed delegates, and leave out the event arguments in your code:

Rename properties when the property names in the result would be ambiguous. For example, if your query returns a customer name and an order ID, rename them instead of leaving them as Name and ID in the result: